Introduction - If you have any usage issues, please Google them yourself
Revolving door, also known as Maji lights, is one of the traditional toy, a lantern, common in Lantern Festival, the Lantern Festival, Mid-Autumn festival. Light the candle, the candle caused by heat generated by air flow, so that shaft rotation. Axle on paper cutting, paper-cut shadow of candlelight will be projected on the screen, the image will continue to move around. More in the light of each plane by drawing pictures of ancient generals on horseback, and when the lights turn a few people appear to overtake each other, like, hence the name like a revolving door. Needs of the candle lantern cut into small pieces, put into a revolving door is when, not diagonal. VHDL code is very useful in a revolving door is very useful!